| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1102.49 | USD | 20251205 |
| Nanjing Runhua Chem | China national standards | MT | 1166.09 | USD | 20251205 |
| Dongying Huatai Chem | China national standards | MT | 1102.49 | USD | 20251205 |
| Shandong Jinling Chem | China national standards | MT | 1060.09 | USD | 20251205 |
| Dongying Huatai Chem | China national standards | MT | 1484.12 | USD | 20251205 |
| Shandong Aite Chem | China national standards | MT | 1484.12 | USD | 20251205 |
| Dongying Huatai Chem | China national standards | MT | 1102.49 | USD | 20251205 |
| Shandong Yeyang Chem | China national standards | MT | 1116.62 | USD | 20251205 |
| Shandong Aite Chem | China national standards | MT | 1455.85 | USD | 20251205 |
| Shandong Zhenkun | China national standards | MT | 1000.72 | USD | 20251205 |